Home / 12,002.10-18,003.15-10,033.80

Finding the Fourth Proportional to 12,002.10, 18,003.15 and 10,033.80

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Solution

The fourth proportional to 12,002.10, 18,003.15 and 10,033.80 is: 15,050.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.10 : 18,003.15 = 10,033.80 : x
  2. Step 2: Convert to fraction form
    12,002.10/18,003.15 = 10,033.80/x
  3. Step 3: Cross multiply
    12,002.10x = 18,003.15 × 10,033.80
  4. Step 4: Simplify right side
    12,002.10x = 180,640,006.47
  5. Step 5: Solve for x
    x = 180,640,006.47/12,002.10
  6. Step 6: Final answer
    x = 15,050.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.